Winner: Mr. Yung-Yan Fanchiang 范姜永岩 Advisor: Po-An Chen 陳柏安 Title: Firefighter problem with Spreading Vacination for Maximizing the Number of Saved Nodes: Exact and Approximation Algorithms 最大化保護個數的擴散性保護疫苗注射消防員問題: 精準與近似演算法 Organization: Operations Research Society of Taiwan, ORSTW 台灣作業研究學會